Balanchine, George. (1904–1983) & Stravinsky, Igor. (1882–1971) 1957 "Agon" Rehearsal PhotographOriginal photograph of the choreographer known as the father of American ballet and the great composer in discussion during a 1957 rehearsal for Agon. Various stamps on the verso, including for the later New York City Ballet Stravinsky festival in 1972. In very fine condition, together with a printed NYCB Press Office photograph mailer, ca. 1972. 8 x 10 inches (20. 3 x 25. 4 cm.). Agon (1957) is a 22 minute neoclassical ballet for twelve dancers with